EP1581939A1 - Optisches abtastgerät - Google Patents

Optisches abtastgerät

Info

Publication number
EP1581939A1
EP1581939A1 EP03780462A EP03780462A EP1581939A1 EP 1581939 A1 EP1581939 A1 EP 1581939A1 EP 03780462 A EP03780462 A EP 03780462A EP 03780462 A EP03780462 A EP 03780462A EP 1581939 A1 EP1581939 A1 EP 1581939A1
Authority
EP
European Patent Office
Prior art keywords
optical
arm
scanning device
satellite
rotary
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP03780462A
Other languages
English (en)
French (fr)
Inventor
Michael A. H. Van Der Aa
Gerardus L. M. Jansen
Gerard J. P. Nijsse
Johannes J. H. B. Schleipen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Priority to EP03780462A priority Critical patent/EP1581939A1/de
Publication of EP1581939A1 publication Critical patent/EP1581939A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08576—Swinging-arm positioners
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • G11B7/0903—Multi-beam tracking systems
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/122—Flying-type heads, e.g. analogous to Winchester type in magnetic recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1362—Mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
EP03780462A 2002-12-30 2003-12-18 Optisches abtastgerät Withdrawn EP1581939A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03780462A EP1581939A1 (de) 2002-12-30 2003-12-18 Optisches abtastgerät

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP02080578 2002-12-30
EP02080578 2002-12-30
PCT/IB2003/006138 WO2004059630A1 (en) 2002-12-30 2003-12-18 Optical scanning device
EP03780462A EP1581939A1 (de) 2002-12-30 2003-12-18 Optisches abtastgerät

Publications (1)

Publication Number Publication Date
EP1581939A1 true EP1581939A1 (de) 2005-10-05

Family

ID=32668853

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03780462A Withdrawn EP1581939A1 (de) 2002-12-30 2003-12-18 Optisches abtastgerät

Country Status (7)

Country Link
US (1) US20060077866A1 (de)
EP (1) EP1581939A1 (de)
JP (1) JP2006512713A (de)
KR (1) KR20050090423A (de)
CN (1) CN100334631C (de)
AU (1) AU2003288620A1 (de)
WO (1) WO2004059630A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1729294A1 (de) * 2005-05-30 2006-12-06 Deutsche Thomson-Brandt Gmbh Kompaktes Abtastgerät für mikrooptisches Plattengerät
US7852714B2 (en) 2005-05-30 2010-12-14 Thomson Licensing Compact pickup for micro optical drive
CN104069229A (zh) * 2014-01-03 2014-10-01 杨忠好 股骨头坏死康复散

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4695992A (en) * 1983-01-31 1987-09-22 Canon Kabushiki Kaisha Optical information recording-reproducing apparatus in which the relative position of a primary beam and secondary beams on recording medium is varied during recording and reproduction of information
DE3323007C1 (de) * 1983-06-25 1984-06-28 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Spurfolgesystem mit einem optischen Abtaster für ein Audio- oder Video-Plattenwiedergabegerät
US4688201A (en) * 1985-01-16 1987-08-18 Hewlett-Packard Company Focusing and tracking apparatus for an optical data storage device
DE3681178D1 (de) * 1986-12-30 1991-10-02 Ibm Deutschland Schwenkbarer zugriffsarm fuer optische platten.
US5153870A (en) * 1989-06-29 1992-10-06 Digital Equipment Corporation Rotary head actuator for optical disk
JPH05298615A (ja) * 1992-02-21 1993-11-12 Toshiba Corp 磁気ディスク装置
US5541908A (en) * 1993-04-21 1996-07-30 Maxoptix Corporation Actuator having a minimized payload in a optical recording system
WO1995002243A1 (en) * 1993-07-07 1995-01-19 Digital Equipment Corporation Rotary actuator for optical disk drive
US6005751A (en) * 1994-01-28 1999-12-21 Seagate Technology, Inc. Recording head skewed read gap/write gap positioning
KR970011227B1 (ko) * 1994-04-30 1997-07-08 대우전자 주식회사 멀티 레이저비임형 광픽업장치
WO1996018190A1 (fr) * 1994-12-08 1996-06-13 Tam Co., Ltd. Dispositif d'entrainement de tete de lecture optique pour disque optique
US5754513A (en) * 1995-04-28 1998-05-19 Konica Corporation Information pick-up apparatus and optical disk apparatus
JP2991981B2 (ja) * 1995-11-16 1999-12-20 三星電子株式会社 光ピックアップ駆動装置
US5920140A (en) * 1997-06-27 1999-07-06 Asahi Kogaku Kogyo Kabushiki Kaisha Galvano mirror unit
JP3945880B2 (ja) * 1997-12-01 2007-07-18 パイオニア株式会社 信号補完装置、情報再生装置及び情報記録装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004059630A1 *

Also Published As

Publication number Publication date
JP2006512713A (ja) 2006-04-13
US20060077866A1 (en) 2006-04-13
KR20050090423A (ko) 2005-09-13
CN100334631C (zh) 2007-08-29
WO2004059630A1 (en) 2004-07-15
AU2003288620A1 (en) 2004-07-22
CN1732522A (zh) 2006-02-08

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